/*
 * Copyright 2016 requery.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.requery.query;

public interface OrderingExpression<V> extends Expression<V> {

    Order getOrder();

    enum NullOrder {
        FIRST,
        LAST
    }

    NullOrder getNullOrder();

    OrderingExpression<V> nullsFirst();

    OrderingExpression<V> nullsLast();

    Expression<V> getInnerExpression();
}
